Sencha Touch 2 - Tap fix

/**
 * A simple event recogniser which knows when you tap.
 *
 * @private
 */
Ext.define('Ext.event.recognizer.Tap', {

    handledEvents: ['tap'],

    /**
     * @member Ext.dom.Element
     * @event tap
     * Fires when you tap
     * @param {Ext.event.Event} event The {@link Ext.event.Event} event encapsulating the DOM event.
     * @param {HTMLElement} node The target of the event.
     * @param {Object} options The options object passed to Ext.mixin.Observable.addListener.
     */

    /**
     * @member Ext.dom.Element
     * @event touchstart
     * Fires when touch starts.
     * @param {Ext.event.Event} event The {@link Ext.event.Event} event encapsulating the DOM event.
     * @param {HTMLElement} node The target of the event.
     * @param {Object} options The options object passed to Ext.mixin.Observable.addListener.
     */

    /**
     * @member Ext.dom.Element
     * @event tapstart
     * @inheritdoc Ext.dom.Element#touchstart
     * @deprecated 2.0.0 Please add listener to 'touchstart' event instead
     */

    /**
     * @member Ext.dom.Element
     * @event touchmove
     * Fires when movement while touching.
     * @param {Ext.event.Event} event The {@link Ext.event.Event} event encapsulating the DOM event.
     * @param {HTMLElement} node The target of the event.
     * @param {Object} options The options object passed to Ext.mixin.Observable.addListener.
     */

    /**
     * @member Ext.dom.Element
     * @event tapcancel
     * @inheritdoc Ext.dom.Element#touchmove
     * @deprecated 2.0.0 Please add listener to 'touchmove' event instead
     */

    extend: 'Ext.event.recognizer.SingleTouch',

    _countMove: 0,

    onTouchStart: function() {
        this._countMove = 0;
    },

    onTouchMove: function() {
        if(this._countMove > 2)
            return this.fail(this.self.TOUCH_MOVED);

        this._countMove++;
    },

    onTouchEnd: function(e) {
        var touch = e.changedTouches[0];

        this.fire('tap', e, [touch]);
    }

});